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In this work, we describe a new deep learning based method that can effectively distinguish AI-generated fake videos (referred to as {\em DeepFake} videos hereafter) from real videos. Our method is based on the observations that current…

Computer Vision and Pattern Recognition · Computer Science 2019-05-23 Yuezun Li , Siwei Lyu

Current deep neural network based approaches to computed tomography (CT) metal artifact reduction (MAR) are supervised methods that rely on synthesized metal artifacts for training. However, as synthesized data may not accurately simulate…

Image and Video Processing · Electrical Eng. & Systems 2019-12-02 Haofu Liao , Wei-An Lin , S. Kevin Zhou , Jiebo Luo

In this study, we leverage a deep learning-based method for the automatic diagnosis of schizophrenia using EEG brain recordings. This approach utilizes generative data augmentation, a powerful technique that enhances the accuracy of the…

Machine Learning · Computer Science 2024-07-18 Mehrshad Saadatinia , Armin Salimi-Badr

Modern deep learning-based clinical imaging workflows rely on accurate labels of the examined anatomical region. Knowing the anatomical region is required to select applicable downstream models and to effectively generate cohorts of high…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Simon Langer , Jessica Ritter , Rickmer Braren , Daniel Rueckert , Paul Hager

Electroencephalogram (EEG) signals are often corrupted with unintended artifacts which need to be removed for extracting meaningful clinical information from them. Typically a priori knowledge of the nature of the artifacts is needed for…

Medical Physics · Physics 2018-03-02 Valentina Bono , Saptarshi Das , Wasifa Jamal , Koushik Maharatna

As digital medical imaging becomes more prevalent and archives increase in size, representation learning exposes an interesting opportunity for enhanced medical decision support systems. On the other hand, medical imaging data is often…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Eduardo Pinho , Carlos Costa

Recent advances in visual generative models have enabled the creation of highly realistic, fully AI-generated images without relying on real source content. While beneficial for many applications, these models also pose significant societal…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Qijie Xu , Can Wang , Jiawei Chen , Siwei Lyu , Defang Chen

Compression artifacts arise in images whenever a lossy compression algorithm is applied. These artifacts eliminate details present in the original image, or add noise and small structures; because of these effects they make images less…

Computer Vision and Pattern Recognition · Computer Science 2017-12-07 Leonardo Galteri , Lorenzo Seidenari , Marco Bertini , Alberto Del Bimbo

Various deepfake detectors have been proposed, but challenges still exist to detect images of unknown categories or GAN models outside of the training settings. Such issues arise from the overfitting issue, which we discover from our own…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Yonghyun Jeong , Doyeon Kim , Youngmin Ro , Jongwon Choi

Objective. Electroencephalography (EEG) is a widely used neuroimaging technique known for its cost-effectiveness and user-friendliness. However, various artifacts, particularly biological artifacts like Electromyography (EMG) signals, lead…

Signal Processing · Electrical Eng. & Systems 2025-03-18 Lu Wang-Nöth , Philipp Heiler , Hai Huang , Daniel Lichtenstern , Alexandra Reichenbach , Luis Flacke , Linus Maisch , Helmut Mayer

Diffusion-weighted MRI is nowadays performed routinely due to its prognostic ability, yet the quality of the scans are often unsatisfactory which can subsequently hamper the clinical utility. To overcome the limitations, here we propose a…

Image and Video Processing · Electrical Eng. & Systems 2021-05-04 Hyungjin Chung , Jaehyun Kim , Jeong Hee Yoon , Jeong Min Lee , Jong Chul Ye

Motion artifacts caused by prolonged acquisition time are a significant challenge in Magnetic Resonance Imaging (MRI), hindering accurate tissue segmentation. These artifacts appear as blurred images that mimic tissue-like appearances,…

Image and Video Processing · Electrical Eng. & Systems 2024-12-06 Sunyoung Jung , Yoonseok Choi , Mohammed A. Al-masni , Minyoung Jung , Dong-Hyun Kim

Transcriptional profiling on microarrays to obtain gene expressions has been used to facilitate cancer diagnosis. We propose a deep generative machine learning architecture (called DeepCancer) that learn features from unlabeled microarray…

Artificial Intelligence · Computer Science 2016-12-14 Rajendra Rana Bhat , Vivek Viswanath , Xiaolin Li

Deep generative modeling has the potential to cause significant harm to society. Recognizing this threat, a magnitude of research into detecting so-called "Deepfakes" has emerged. This research most often focuses on the image domain, while…

Machine Learning · Computer Science 2021-11-05 Joel Frank , Lea Schönherr

Melanoma is a curable aggressive skin cancer if detected early. Typically, the diagnosis involves initial screening with subsequent biopsy and histopathological examination if necessary. Computer aided diagnosis offers an objective score…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Xin Yi , Ekta Walia , Paul Babyn

The study of brain states, ranging from highly synchronous to asynchronous neuronal patterns like the sleep-wake cycle, is fundamental for assessing the brain's spatiotemporal dynamics and their close connection to behavior. However, the…

Neurons and Cognition · Quantitative Biology 2023-11-13 Arnau Marin-Llobet , Arnau Manasanch , Maria V. Sanchez-Vives

We suggest a deep learning based sensor signal processing method to remove chemical, kinetic and electrical artifacts from ion selective electrodes' measured values. An ISE is used to investigate the concentration of a specific ion from…

Machine Learning · Computer Science 2020-12-24 Byunghyun Ban

The rapid progress of generative models has intensified the need for reliable and robust detection under real-world conditions. However, existing detectors often overfit to generator-specific artifacts and remain highly sensitive to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Ruiqi Liu , Yi Han , Zhengbo Zhang , Liwei Yao , Zhiyuan Yan , Jialiang Shen , ZhiJin Chen , Boyi Sun , Lubin Weng , Jing Dong , Yan Wang , Shu Wu

Due to the growing amount of data from in-situ sensors in wastewater systems, it becomes necessary to automatically identify abnormal behaviours and ensure high data quality. This paper proposes an anomaly detection method based on a deep…

Signal Processing · Electrical Eng. & Systems 2020-03-09 Stefania Russo , Andy Disch , Frank Blumensaat , Kris Villez

Ophthalmic images and derivatives such as the retinal nerve fiber layer (RNFL) thickness map are crucial for detecting and monitoring ophthalmic diseases (e.g., glaucoma). For computer-aided diagnosis of eye diseases, the key technique is…